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Kakanj cement plant , kakanj , Bosnia and Herzegovina
Faculty of Metallurgy and Technology, University of Zenica , Zenica , Bosnia and Herzegovina
Faculty of Metallurgy and Technology, University of Zenica , Zenica , Bosnia and Herzegovina
Faculty of Technology Tuzla , Tuzla , Bosnia and Herzegovina
Sisecam Soda Lukavac , Lukavac , Bosnia and Herzegovina
Clinker dust or cement kiln dust (CKD) is fine granulated material which generate during the thermal treatment of raw meal and during the clinker cooling process. By applying different methods in certain stages of the technological process it is possible to extract the mentioned dust. The chemical composition of the clinker dust depends on type and composition of raw material, fuel and specific material flow from the kiln system. Increasing the content of alkali, chlorine, sulphate and other raw materials and fuels constituents results in significant increasing of these constituents in the kiln dust structure. Generally it can be said that the formation of clinker dust in the kiln system is undesirable and it is therefore necessary to periodically release the CKD from the mentioned kiln system. On this way it is possible to use clinker dust as a cement additive. In this article has been conducted research of using mentioned kiln dust as blast furnace cement additive where the focus was on influence of CKD on physical-mechanical properties of cement.
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